Keikichi Maeda

Follow

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Carbon containing compound treating apparatus with resistance to ca...
- Patent number 5,242,665
- Issue date Sep 7, 1993
- JGC Corporation
- Keikichi Maeda
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Carbon containing compound treating apparatus with resistance to ca...
- Patent number 4,976,932
- Issue date Dec 11, 1990
- JGC Corporation
- Keikichi Maeda
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Centrifugally cast double-layer tube with resistance to carbon depo...
- Patent number 4,536,455
- Issue date Aug 20, 1985
- JGC Corporation
- Keikichi Maeda
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Process for providing an apparatus for treating hydrocarbons or the...
- Patent number 4,532,109
- Issue date Jul 30, 1985
- JGC Corporation
- Keikichi Maeda
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...